TetraSan effective on flat mites?

Los Angeles, CA

I have a small, but really nice cactus collection in L.A., and I need some help dealing with a flat mite problem. The pest is also known as false spider mite (Brevipalpus phoenicis -- "false" because they don't spin webs like red spider mites do). TetraSan comes highly recommended, and according to a reliable source, it's one of the least toxic products for humans (mammals in general) for use in the greenhouse. The product controls a number of pest mites. Unfortunately, flat mites aren't on the list. I need to ask the following:

1. Are flat mites cactus-specific, or will they attack non-xeric plants as well?

2. Does anyone know for sure whether or not TetraSan is effective against flat mites?

Flat mites are the least known among cactus growers, and apparently a rather recent arrival to collections. Since we represent a niche in the overall gardening hobby, I'm casting a wide net here in case someone has more experience if flat mites are known to attack various types of plants. I'm very active on the CactiGuide forum -- those of you who respond will be helping not just me, but a bunch of good friends who share our passion for cacti and their proper cultivation.

Thanks so much!

Steve Johnson

Manhattan Beach, CA(Zone 10b)

I don't know about TetaSan however organic and chemical treatments for flat mites are listed at http://staugorchidsociety.org/culturepests-pests.htm

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